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Fig. 3

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SPIRou RV measurements as a function of time and GLS periodograms for the “raw” LBL measurements and the PCA corrected LBL measurements obtained with wPCA (Artigau et al., in prep) and Wapiti (Ould-Elhkim et al. 2023). Blue dots indicate the measurements taken at |Vtot| > 10 km s–1. Red dots are the measurements obtained when |Vtot| < 10 km s–1 (i.e., moment of the highest influence of the atmosphere on the stellar spectrum). In the periodograms, the gray horizontal lines indicate the bootstrap-calculated 10%, 1%, and 0.1% FAP levels. A summary of the statistics of the each of the time series is provided in Table 6.

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